﻿<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>表单的数目</title>
</head>
<body>
    <form name="Form1"></form>
    <form name="Form2"></form>
    <form name="Form3"></form>
    <form name="Form4"></form>
    <form></form>
    <p>
        表单数目：
        <script>
            document.write(document.forms.length);
        </script>
    </p>
</body>
</html>